Minimum hardware requirements:
1) Auto_install script
wget -O juno-t https://raw.githubusercontent.com/111STAVR111/props/main/Juno/Testnet/juno-t && chmod +x juno-t && ./juno-t
2) Manual installation
Preparing the server
sudo apt update && sudo apt upgrade -y
sudo apt install curl tar wget clang pkg-config libssl-dev jq build-essential bsdmainutils git make ncdu gcc git jq chrony liblz4-tool -y
GO 1.21.6
ver="1.21.6"
wget "https://golang.org/dl/go$ver.linux-amd64.tar.gz"
sudo rm -rf /usr/local/go
sudo tar -C /usr/local -xzf "go$ver.linux-amd64.tar.gz"
rm "go$ver.linux-amd64.tar.gz"
echo "export PATH=$PATH:/usr/local/go/bin:$HOME/go/bin" >> $HOME/.bash_profile
source $HOME/.bash_profile
go version
Build 24.09.24
cd $HOME && mkdir $HOME/go/bin/
git clone https://github.com/CosmosContracts/juno juno
cd juno
git checkout v25.0.0
make install
junod version --long | grep -e version -e commit
commit: de3c4d145c7a96c31e3fca6fe8850ce4ab559e33
Initiation
junod init STAVR_guide --chain-id=uni-6
junod config chain-id uni-6
Create/recover wallet
junod keys add <walletname>
OR
junod keys add <walletname> --recover
Download Genesis
wget -O $HOME/.juno/config/genesis.json "https://raw.githubusercontent.com/111STAVR111/props/main/Juno/Testnet/genesis.json"
sha256sum $HOME/.juno/config/genesis.json
4c90e8bfce9b7fab824b923cbb7bdddf276f1040f3651fdb5304a4289147ea90
Set up the minimum gas price and Peers/Seeds/Filter peers/MaxPeers
sed -i.bak -e "s/^minimum-gas-prices *=.*/minimum-gas-prices = \"0ibc/C4CFF46FD6DE35CA4CF4CE031E643C8FDC9BA4B99AE598E9B0ED98FE3A2319F9,0ujuno\"/;" ~/.juno/config/app.toml
sed -i -e "s/^filter_peers *=.*/filter_peers = \"true\"/" $HOME/.juno/config/config.toml
external_address=$(wget -qO- eth0.me)
sed -i.bak -e "s/^external_address *=.*/external_address = \"$external_address:26656\"/" $HOME/.juno/config/config.toml
peers=""
sed -i.bak -e "s/^persistent_peers *=.*/persistent_peers = \"$peers\"/" $HOME/.juno/config/config.toml
seeds=""
sed -i.bak -e "s/^seeds =.*/seeds = \"$seeds\"/" $HOME/.juno/config/config.toml
sed -i 's/max_num_inbound_peers =.*/max_num_inbound_peers = 50/g' $HOME/.juno/config/config.toml
sed -i 's/max_num_outbound_peers =.*/max_num_outbound_peers = 50/g' $HOME/.juno/config/config.toml
Pruning (optional)
pruning="custom"
pruning_keep_recent="1000"
pruning_keep_every="0"
pruning_interval="10"
sed -i -e "s/^pruning *=.*/pruning = \"$pruning\"/" $HOME/.juno/config/app.toml
sed -i -e "s/^pruning-keep-recent *=.*/pruning-keep-recent = \"$pruning_keep_recent\"/" $HOME/.juno/config/app.toml
sed -i -e "s/^pruning-keep-every *=.*/pruning-keep-every = \"$pruning_keep_every\"/" $HOME/.juno/config/app.toml
sed -i -e "s/^pruning-interval *=.*/pruning-interval = \"$pruning_interval\"/" $HOME/.juno/config/app.toml
Indexer (optional)
indexer="null" &&
sed -i -e "s/^indexer *=.*/indexer = \"$indexer\"/" $HOME/.juno/config/config.toml
Download addrbook
wget -O $HOME/.juno/config/addrbook.json "https://raw.githubusercontent.com/111STAVR111/props/main/Juno/Testnet/addrbook.json"
Create a service file
sudo tee /etc/systemd/system/junod.service > /dev/null <<EOF
[Unit]
Description=juno Testnet
After=network-online.target
[Service]
User=$USER
ExecStart=$(which junod) start
Restart=on-failure
RestartSec=3
LimitNOFILE=65535
[Install]
WantedBy=multi-user.target
EOF
StateSync juno Testnet (Temporarily stopped)
SNAP_RPC=https://juno.rpc.t.stavr.tech:443
PEERS="a3c23d4c7e33679badc778911ad420c59de13c25@junot.peer.stavr.tech:1166"
sed -i.bak -e "s/^seeds *=.*/seeds = \"$SEEDS\"/; s/^persistent_peers *=.*/persistent_peers = \"$PEERS\"/" $HOME/.juno/config/config.toml
LATEST_HEIGHT=$(curl -s $SNAP_RPC/block | jq -r .result.block.header.height); \
BLOCK_HEIGHT=$((LATEST_HEIGHT - 1000)); \
TRUST_HASH=$(curl -s "$SNAP_RPC/block?height=$BLOCK_HEIGHT" | jq -r .result.block_id.hash)
echo $LATEST_HEIGHT $BLOCK_HEIGHT $TRUST_HASH
sed -i.bak -E "s|^(enable[[:space:]]+=[[:space:]]+).*$|\1true| ; \
s|^(rpc_servers[[:space:]]+=[[:space:]]+).*$|\1\"$SNAP_RPC,$SNAP_RPC\"| ; \
s|^(trust_height[[:space:]]+=[[:space:]]+).*$|\1$BLOCK_HEIGHT| ; \
s|^(trust_hash[[:space:]]+=[[:space:]]+).*$|\1\"$TRUST_HASH\"| ; \
s|^(seeds[[:space:]]+=[[:space:]]+).*$|\1\"\"|" $HOME/.juno/config/config.toml
junod tendermint unsafe-reset-all --home $HOME/.juno
sed -i -e "s/^snapshot-interval *=.*/snapshot-interval = \"1500\"/" $HOME/.juno/config/app.toml
curl -o - -L http://juno-t.wasm.stavr.tech:1021/wasm-junot.tar.lz4 | lz4 -c -d - | tar -x -C $HOME/.juno/ --strip-components 2
wget -O $HOME/.juno/config/addrbook.json "https://raw.githubusercontent.com/111STAVR111/props/main/Juno/Testnet/addrbook.json"
sudo systemctl restart junod && journalctl -u junod -f -o cat
SnapShot Testnet updated every 5 hours (Temporarily stopped)
cd $HOME
snap install lz4
sudo systemctl stop junod
cp $HOME/.juno/data/priv_validator_state.json $HOME/.juno/priv_validator_state.json.backup
rm -rf $HOME/.juno/data
curl -o - -L http://junot.snapshot.stavr.tech:1030/junot/junot-snap.tar.lz4 | lz4 -c -d - | tar -x -C $HOME/.juno --strip-components 2
curl -o - -L http://juno-t.wasm.stavr.tech:1021/wasm-junot.tar.lz4 | lz4 -c -d - | tar -x -C $HOME/.juno/ --strip-components 2
mv $HOME/.juno/priv_validator_state.json.backup $HOME/.juno/data/priv_validator_state.json
wget -O $HOME/.juno/config/addrbook.json "https://raw.githubusercontent.com/111STAVR111/props/main/Juno/Testnet/addrbook.json"
sudo systemctl restart junod && journalctl -u junod -f -o cat
Start
sudo systemctl daemon-reload
sudo systemctl enable junod
sudo systemctl restart junod && sudo journalctl -fu junod -o cat
Create validator
junod tx staking create-validator \
--commission-rate 0.1 \
--commission-max-rate 0.1 \
--commission-max-change-rate 0.1 \
--min-self-delegation "1" \
--amount 1000000ujuno \
--pubkey $(junod tendermint show-validator) \
--from <wallet> \
--moniker="STAVR_guide" \
--chain-id uni-6 \
--gas 350000 \
--identity="" \
--website="" \
--details="" -y
Monitoring
You can set up your node status alarm here - Monitoring
Security
You can create secure management of your wallet and your node by following this links.
TMKMS Wallet Security
Delete node
sudo systemctl stop junod
sudo systemctl disable junod
rm /etc/systemd/system/junod.service
sudo systemctl daemon-reload
cd $HOME
rm -rf juno
rm -rf .juno
rm -rf $(which junod)
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